Ink cartridge



FIG. 1 is a front, top, and left side perspective view of an ink cartridge showing our new design;

FIG. 2 is a rear, bottom, and left side perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof;

FIG. 9 is an enlarged view of the portion indicated by the square 9 of FIG. 1 thereof; and,

FIG. 10 is an enlarged view of the portion indicated by the square 10 of FIG. 2 thereof.

The broken line showing of the ink cartridge is included for the purpose of illustrating portions of the ink cartridge and forms no part of the claimed design. 

CLAIM The ornamental design for an ink cartridge, as shown and described. 